Earthquake with magnitude of ML 2.1 on date 08-04-2023 and time 16:28:33 (Italy) in region 1 km SE Tornolo (PR)

A magnitude ML 2.1 earthquake occured in region: 1 km SE Tornolo (PR), on

  • 08-04-2023 14:28:33 (UTC)
  • 08-04-2023 16:28:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4770, 9.6370 at 3 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Tornolo PR 1 1010 1010
Compiano PR 3 1112 2122
Bedonia PR 3 3482 5604
Albareto PR 6 2156 7760
Borgo Val di Taro PR 11 6999 14759
Varese Ligure SP 11 2059 16818
Santo Stefano d'Aveto GE 17 1126 17944
Zeri MS 17 1094 19038
Maissana SP 18 616 19654
Bardi PR 19 2227 21881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of La Spezia (93959 inhabitants)
56 Km E of Genova (586655 inhabitants)
58 Km NW of Carrara (63133 inhabitants)
63 Km NW of Massa (69479 inhabitants)
64 Km S of Piacenza (102191 inhabitants)
66 Km SW of Parma (192836 inhabitants)
79 Km SW of Cremona (71901 inhabitants)
83 Km W of Reggio nell'Emilia (171345 inhabitants)
84 Km NW of Viareggio (62467 inhabitants)
87 Km SE of Pavia (72576 inhabitants)
94 Km E of Savona (61345 inhabitants)
94 Km SE of Alessandria (93943 inhabitants)
99 Km NW of Lucca (89046 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.1 2023-04-08
14:28:33
44.4773 9.6372 3 2024-03-01
17:18:12
Bollettino Sismico Italiano INGV 118750451
Reviewed
Rev100
ML 2.1 2023-04-08
14:28:33
44.5028 9.648 5 2023-04-08
14:39:50
Sala Sismica INGV-Roma 116176671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-08 14:28:33 ± 0.13
Latitude 44.4773 ± 0.0072
Longitude 9.6372 ± 0.0076
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118750451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 683
Semi-minor axis of confidence ellipse (meter) 522
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.74379
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 118750451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-15 14:45:45

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 116176671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-08 14:39:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2023-04-08T14:30:22.59 3.0 undecidable manual Pg 23.280001 0
IV.CMPR.HHZ. 2023-04-08T14:30:19.94 3.0 undecidable manual Pg 18.950001 0
IV.CAMP.HHZ. 2023-04-08T14:30:17.31 3.0 undecidable manual Sg 10.37 0
IV.MMO1.EHZ. 2023-04-08T14:30:04.62 3.0 undecidable manual Sn 3.87 0
IV.CIMA.HNZ. 2023-04-08T14:30:02.60 3.0 undecidable manual Sn 0.96 0
IV.FRON.EHZ. 2023-04-08T14:29:57.63 3.0 undecidable manual Sg 13.49 0
IV.FDMO.HHZ. 2023-04-08T14:29:26.45 3.0 positive manual Pg 6.93 0
IV.FRON.EHZ. 2023-04-08T14:29:20.71 3.0 undecidable manual Pg 7.48 0
GU.CANO.HHZ. 2023-04-08T14:29:08.30 0.6 undecidable manual S 255 114.996 50 -0.06 43
ST.RONC.EHZ. 2023-04-08T14:29:05.53 0.3 undecidable manual P 24 183.6828 38 1.35 31
GU.POPM.HHZ. 2023-04-08T14:29:04.80 0.3 undecidable manual S 118 101.0211 50 0.17 64
SI.LUSI.HHZ. 2023-04-08T14:29:04.74 0.6 undecidable manual P 31 193.5618 38 -0.67 27
IV.MAGA.HHZ. 2023-04-08T14:29:02.64 0.3 undecidable manual P 28 163.614 50 1.53 31
GU.ENR.HHZ. 2023-04-08T14:29:02.48 0.3 undecidable manual P 262 178.1883 50 -0.87 41
GU.MGRO.HHZ. 2023-04-08T14:28:58.98 0.3 undecidable manual P 252 153.1356 50 -0.51 53
GU.SARM.EHN. 2023-04-08T14:28:55.30 0.3 undecidable manual S 118 68.7756 50 -0.72 59
GU.CANO.HHZ. 2023-04-08T14:28:54.08 0.3 undecidable manual P 255 114.996 50 0.45 59
IV.QLNO.HHZ. 2023-04-08T14:28:52.64 0.1 undecidable manual P 261 103.7184 50 0.75 72
GU.POPM.HHZ. 2023-04-08T14:28:52.23 0.3 undecidable manual P 118 101.0211 50 0.76 54
GU.EQUI.HHZ. 2023-04-08T14:28:51.30 0.3 undecidable manual S 130 53.502 50 -0.65 62
GU.RNCA.HHE. 2023-04-08T14:28:51.70 0.3 undecidable manual S 270 54.3012 50 -0.46 66
IV.PLMA.HHZ. 2023-04-08T14:28:51.20 0.1 undecidable manual S 160 50.4162 94 0.16 94
GU.MAIM.HHZ. 2023-04-08T14:28:50.19 0.3 undecidable manual P 132 92.3409 50 0.06 67
IV.BDI.HHZ. 2023-04-08T14:28:49.66 0.6 undecidable manual P 121 88.9443 50 0.06 45
GU.CARD.HHZ. 2023-04-08T14:28:49.23 0.3 undecidable manual P 126 83.7495 50 0.43 63
GU.PCP.HHZ. 2023-04-08T14:28:49.37 0.3 undecidable manual P 275 86.6466 50 0.12 67
GU.SARM.EHN. 2023-04-08T14:28:46.47 0.3 undecidable manual P 118 68.7756 50 -0.03 70
IV.PRMA.HHZ. 2023-04-08T14:28:46.12 0.3 undecidable manual P 59 62.0934 50 0.65 61
IV.BOB.HHZ. 2023-04-08T14:28:45.50 0.3 undecidable manual S 335 35.5422 95 -0.38 69
GU.GRAM.HHZ. 2023-04-08T14:28:45.12 0.3 undecidable manual S 87 33.8439 96 -0.19 73
GU.GORR.HHZ. 2023-04-08T14:28:44.30 0.1 undecidable manual S 298 30.8469 96 0.05 100
GU.RNCA.HHE. 2023-04-08T14:28:44.13 0.3 undecidable manual P 270 54.3012 50 -0.14 71
GU.EQUI.HHZ. 2023-04-08T14:28:43.74 0.1 positive manual P 130 53.502 50 -0.41 89
IV.PLMA.HHZ. 2023-04-08T14:28:43.65 0.1 positive manual P 160 50.4162 94 0.03 97
4P.IT07A.HHN. 2023-04-08T14:28:42.72 0.1 positive manual P 20 46.7199 94 -0.16 95
GU.GRAM.HHZ. 2023-04-08T14:28:40.18 0.1 positive manual P 87 33.8439 96 -0.14 98
IV.BOB.HHZ. 2023-04-08T14:28:40.20 0.1 positive manual P 335 35.5422 95 -0.44 91
GU.GORR.HHZ. 2023-04-08T14:28:39.98 0.1 positive manual P 298 30.8469 96 0.28 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHN. ML:2.0 0.0005420000000000001 0.34 AML other m 2023-04-08T14:28:44.98
IV.BOB.HHN. ML:1.9 0.0003485 0.54 AML other m 2023-04-08T14:28:45.11
IV.BOB.HHE. ML:2.1 0.0005835 0.9 AML other m 2023-04-08T14:28:45.88
GU.GORR.HHE. ML:2.0 0.0005665000000000001 0.9 AML other m 2023-04-08T14:28:45.51
GU.GRAM.HHE. ML:2.4 0.001017 0.18 AML other m 2023-04-08T14:28:46.03
GU.GRAM.HHN. ML:2.2 0.0007335 0.36 AML other m 2023-04-08T14:28:46.71
IV.PLMA.HHE. ML:1.6 0.00011399999999999999 0.64 AML other m 2023-04-08T14:28:51.48
IV.PLMA.HHN. ML:1.7 0.0001245 1.22 AML other m 2023-04-08T14:28:52.01
GU.EQUI.HHN. ML:1.5 0.00008094999999999999 0.42 AML other m 2023-04-08T14:28:53.75
GU.EQUI.HHE. ML:1.5 0.00006785 0.52 AML other m 2023-04-08T14:28:53.62
IV.PRMA.HHE. ML:2.1 0.000263 1.46 AML other m 2023-04-08T14:28:57.74
IV.PRMA.HHN. ML:2.2 0.000316 1.64 AML other m 2023-04-08T14:28:57.84
IV.PRMA.HNE. ML:2.2 0.00030000000000000003 1.46 AML other m 2023-04-08T14:28:57.75
IV.PRMA.HNN. ML:2.3 0.00035999999999999997 0.62 AML other m 2023-04-08T14:29:00.87
GU.PCP.HHN. ML:1.5 0.00003905 1.36 AML other m 2023-04-08T14:29:01.70
GU.PCP.HHE. ML:1.7 0.000059399999999999994 0.24 AML other m 2023-04-08T14:29:02.86
GU.CARD.HHN. ML:2.2 0.0002145 0.62 AML other m 2023-04-08T14:29:03.46
GU.CARD.HHE. ML:2.1 0.0001595 0.36 AML other m 2023-04-08T14:29:03.41
IV.BDI.HHE. ML:2.1 0.000149 0.62 AML other m 2023-04-08T14:29:04.90
IV.BDI.HHN. ML:2.0 0.000116 0.92 AML other m 2023-04-08T14:29:05.03
GU.MAIM.HHE. ML:1.7 0.000053150000000000004 0.26 AML other m 2023-04-08T14:29:05.20
GU.MAIM.HHN. ML:1.8 0.0000634 1 AML other m 2023-04-08T14:29:05.83
IV.QLNO.HHN. ML:1.7 0.000042999999999999995 1.18 AML other m 2023-04-08T14:29:05.16
GU.POPM.HHE. ML:2.2 0.00016649999999999998 1.58 AML other m 2023-04-08T14:29:08.18
GU.POPM.HHN. ML:2.1 0.00012 0.18 AML other m 2023-04-08T14:29:08.30
IV.PII.HHE. ML:2.0 0.00009735 0.48 AML other m 2023-04-08T14:29:09.63
IV.QLNO.HHE. ML:1.5 0.00002955 1.58 AML other m 2023-04-08T14:29:10.88
IV.PII.HHN. ML:1.9 0.00007544999999999999 0.28 AML other m 2023-04-08T14:29:10.50
IV.MDI.HHN. ML:2.2 0.0000838 1.3 AML other m 2023-04-08T14:29:18.99
IV.MDI.HHE. ML:2.4 0.000132 1.02 AML other m 2023-04-08T14:29:19.03
IV.MAGA.HHN. ML:2.3 0.00009415 0.58 AML other m 2023-04-08T14:29:24.63
ST.RONC.EHE. ML:2.4 0.00008075 0.36 AML other m 2023-04-08T14:29:30.24
ST.RONC.EHN. ML:2.5 0.00010539999999999999 0.56 AML other m 2023-04-08T14:29:31.30
IV.MAGA.HHE. ML:2.5 0.000128 0.46 AML other m 2023-04-08T14:29:32.31
SI.LUSI.HHE. ML:2.2 0.00004285 0.6 AML other m 2023-04-08T14:29:36.82
SI.LUSI.HHN. ML:2.3 0.00006925 0.9 AML other m 2023-04-08T14:29:37.76
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download